<template>
  <div>
    二维码扫码登录
  </div>
</template>

<script>
export default {
  destroyed () {
    console.log('二维码销毁了')
  },

  activated () {
    console.log('qrcode组件显示了')
  },

  deactivated () {
    console.log('qrcode组件隐藏了')
  }
}
</script>

<style></style>
